Method of specifying general purpose polystyrene (PS) moulding and extrusion material /
Method of specifying general purpose polystyrene (PS) moulding and extrusion material /
British Standards Institution.
- 5 pages ; 33cm.
- British standard ; BS 1493 : 1987 .
- British standard ; BS 1493 : 1987 .
Polystyrene--Standards.
Polystyrene--Standards.
